[Updated at 11:31 a.m. ET]
Di Maio is showing the jury a picture of the bullet entrance wound on Martin's body. There is a tattooing of small puncture wounds around the bullet hole. The powder coming out of the gun barrel created the small puncture wounds.
[Updated at 11:29 a.m. ET]
Di Maio said the barrel was against the clothing, but two to four inches away from Martin's skin or body.
[Updated at 11:26 a.m. ET]
"The photographs (of Martin's clothing) show a contact discharge of the weapon against the clothing," said Di Maio. "At the time of discharge, the gun was against the clothing. The gas came out tore the clothing."
[Updated at 11:23 a.m. ET]
Zimmerman's video re-enactment of the shooting was played for Di Maio, and he reviewed the physical evidence to make sure if either supported his story or contradicted Zimmerman.
[Updated at 11:20 a.m. ET]
Di Maio is explaining the evidence he reviewed in Zimmerman's case.
[Updated at 11:18 a.m. ET]
Judge Nelson says Di Maio's resume will be admitted into evidence.
[Updated at 11:15 a.m. ET]
West is having Di Maio review his resume, and has asked moved it into the evidence. The attorneys at a sidebar with the judge.
[Updated at 11:13 a.m. ET]
"If you take a gun with a blank cartridge and put it against your chest the gas formed, which will tear right through your skin and muscle into your lung. People will kid around and put it to their head. They are going to die," said Di Maio. You don't need the bullet to kill you with a contact wounds."
[Updated at 11:09 a.m. ET]
If a gun is fired close to clothing the gas coming out of the gun will actually tear the clothing before the bullet, according to Di Maio.
[Updated at 11:06 a.m. ET]
West asked Di Maio to explain the mechanics of what happens in a gun when a bullet is fired.
[Updated at 11:04 a.m. ET]
Di Maio has been in private practice as a consultant since January of 2007.
[Updated at 11:01 a.m. ET]
Di Maio has worked as a pathologist for about 40 years, and he has preformed about 9,000 autopsies and has reviewed more than 20,000 other autopsies conducted by other doctors.
[Updated at 10:58 a.m. ET]